GitHub - jart/cosmopolitan: build-once run-anywhere c library

Edgerunner Alexis@dataterm.digital to Free and Open Source Software@beehaw.org – 15 points –
GitHub - jart/cosmopolitan: build-once run-anywhere c library
github.com

Cosmopolitan Libc makes C a build-once run-anywhere language, like Java, except it doesn't need an interpreter or virtual machine. Instead, it reconfigures stock GCC and Clang to output a POSIX-approved polyglot format that runs natively on Linux + Mac + Windows + FreeBSD + OpenBSD + NetBSD + BIOS with the best possible performance and the tiniest footprint imaginable.

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Never heard of this, granted I've never looked for something like it either. Sounds very interesting and seems mature albeit with a few platform specific catch's in the readme.

Anyone use this before? Thinking about checking it out for fun. I don't really have use for it myself but I am interested in the implementation.